CVE-2018-21052

CRITICAL

Android N(7.x) and O(8.x) - Arbitrary Code Execution via Vaultkeeper Trustlet Shared Memory

Title source: llm
STIX 2.1

Description

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12855 (October 2018).

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://security.samsungmobile.com/securityUpdate.smsb

Scores

CVSS v3 9.8
EPSS 0.0083
EPSS Percentile 53.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (6)
google/android 7.0
google/android 7.1.0
google/android 7.1.1
google/android 7.1.2
google/android 8.0
google/android 8.1
Published Apr 08, 2020
Tracked Since Feb 18, 2026